The service covers Penrith, Campbelltown, Cambridge Park, St Marys, Erskine Park, Wetherill Park, Horsley Park, Bonnyrigg, Canley Vale, Minto, Eschol Park and Fairfield areas, and is now available for online purchase.
Chief executive of Unwired, David Spence, said he is "excited about freeing Internet users in Sydney's west from the restrictions of fixed line broadband".
Unwired price plans begin at AU$34.95 per month with a download allowance of 300MB at speeds of 256Kbps, with the option of 12 month, six month and no monthly contractual agreements.
The company said it will continue to roll out its wireless broadband service across Sydney this year, with plans to incorporate a wireless telephony service in the future.
